Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009agufmsh51b1282c&link_type=abstract
American Geophysical Union, Fall Meeting 2009, abstract #SH51B-1282
Physics
[1999] Informatics / General Or Miscellaneous, [2100] Interplanetary Physics, [2400] Ionosphere, [2700] Magnetospheric Physics
Scientific paper
The Space Physics Data Facility (SPDF) project provides heliophysics science-enabling information services and is the most widely used single access point to heliophysics science data and orbits from NASA's solar-heliospheric satellite missions. Our emphasis has been on active service of the best digital data products and key ancillary information with graphics, listings and production of subsetted or merged files (mass downloads or parameter-specific selections). Our services today include the: (1) Heliophysics Resource Gateway (HRG) data finding service (also known as the Virtual Space Physics Observatory or VSPO); (2) Data services including the Coordinated Data Analysis Web (CDAWeb), OMNIweb compilation of interplanetary parameters (mapped to the Earth's bow shock) and related indices, and their large underlying collection of datasets; (3) Orbit information and display services including the Satellite Situation Center (SSCweb) and the 4D Orbit Viewer interactive Java client; and the (4) Common Data Format (CDF) software library and file format and science file format translation suite. (5) Upcoming is the Heliospheric Event List Manager (HELM) to coordinate lists of interesting events and provide a mechanism for tying together the above services and others. We describe several research projects that heavily used SPDF's services and resulted in publications. Although not actually all used at once, the following research scenario shows how SPDF and VxO services can be combined for studying solar events that produce energetic particles and effects at Earth: use the HRG/VPSO to locate data of interest, perhaps query OMNIWeb for times when energetic particle solar activity is high and query the SSCWeb orbit location service for when Cluster, Geotail, Polar/IMAGE are in position to measure the cusp, magnetotail and the Earth's aurora, respectively. Also query SSCweb for times when Polar and magnetometer ground stations are on the same field lines. Using these times, use CDAWeb to browse data from these spacecraft, and add Wind and ACE field and plasma data to identify interplanetary shocks arriving at Earth. Use HRG to find and retrieve SOHO LASCO CME data at SDAC. Use the SSCWeb 4D Orbit Viewer to display the relative spacecraft positions and geophysical boundaries and to follow the magnetic footpoints of the satellites. Confirm auroral substorm activity by a quick browse of IMAGE FUV and TIMED GUVI data as movies showing the expanding and intensifying auroral oval. Finally, pull these data directly into your own analysis tool (such as ViSBARD or some model in IDL) via our web services or simple FTP transfer to complete the analysis.
Bilitza Dieter
Candey Robert M.
Chimiak R.
Cooper John F.
Garcia Nancy L.
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